Welcome to SGC!

For over 20 years, SGC has provided Manhattan residents with exceptional service and impeccable workmanship. Our team of talented craftsmen out in the field, range from master carpenter to the finest electricians. Our project managers are highly trained and experienced in the New York City permitting process and know how to effectively and efficiently work with condominium andco-op boards. SGC’s mechanical contractors are fully licensed and bonded to work in New York. We are insured, and referred, because our customer’s satisfaction is number one.